Flow price: --
59f220447d3e2b458f7c3bb2e79754a314707a3e22b96ebea0c4055e29a81356

Transaction

Hash: 59f220447d3e2b458f7c3bb2e79754a314707a3e22b96ebea0c4055e29a81356
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59f220447d3e2b458f7c3bb2e79754a314707a3e22b96ebea0c4055e29a81356:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
59f220447d3e2b458f7c3bb2e79754a314707a3e22b96ebea0c4055e29a81356
Status:
ERROR
Block height:
40017902
Block id:
ede8409f893ccc7f6e0ef6e8e20bca1db6cbde423a60a8104e6c48df90dd2f7c
Timestamp:
Monday 31 October 2022 at 00:51:58 UTC
()
Proposer:
Authorizers:
Gas used:
50